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Asked: 2026-05-31T11:40:33+00:00

I’m using this php code code to write out my css with populated variables.

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I’m using this php code code to write out my css with populated variables.

I want to move the default array out of this code and lift it to a settings.php file for my site but when I do I get this error message:

<b>Warning</b>:  extract() [<a href='function.extract'>function.extract</a>]: First argument should be an array in <b>/home/drawapl1/public_html/ezamazon/demo/css/stylesheet.php</b> on line <b>19</b>

My code is as follows:

in index.php:

<?php
include("settings.php");
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<link href="css/stylesheet.php" rel="stylesheet" type="text/css" media="screen" />

in stylesheet.php:

/* get the stylesheet */
$stylesheet = @is_file($_GET['stylesheet']) && strtolower(substr(strrchr($file_name,'.'),1)) == 'css' ? $_GET['stylesheet'] : 'global.css';

/* set the header information */
//will be output as css
header('Content-type: text/css');
//set an expiration date
$days_to_cache = 10;
header('Expires: '.gmdate('D, d M Y H:i:s',time() + (60 * 60 * 24 * $days_to_cache)).' GMT');

//red css variable information
//$red = array(
  //'body_font_size' => '10px',
  //'body_text_color' => '#f00'
//);

/* extract the propery array's information */
extract($_GET['theme'] && ${$_GET['theme']} ? ${$_GET['theme']} : $defaultCSS);

/* load in the stylesheet */
$content = preg_replace('/\$([\w]+)/e','$0',@file_get_contents($stylesheet));

/* spit it out */
echo $content;

in settings.php:

$defaultCSS = array(
'body_background_colour' => 'white',
'body_text_colour' => 'black',
'body_font_size' => '1em',
'body_font_family' => 'Arial, Helvetica, sans-serif',
'h1_text_colour' => 'black',
'h2_text_colour' => 'black',
'h3_text_colour' => '#E47911',
'a_text_colour' => '#004B91',
'a_hover_text_colour' => '#2A70FC',
'news_block_background_colour' => '#EAF3FE',
'left_nav_border_colour' => '#C9E1F4',
'left_nav_h2_background_colour' => '#EAF3FE',
'button_text_colour' => '#FFFFFF',
'button_background_colour' => '#414953',
'button_hover_background_colour' => '#999999',
'price_colour' => '#990000',
'price_heading_colour' => '#666666',
'nav_links_colour' => 'black',
'nav_hover_links_colour' => '#E47911',
'hr_divider_colour' => '#DDDDDD',
'pagination_highlight_colour' => '#645538'
);

Any idea what the issue is?

Thanks in advance.

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1 Answer

  1. Editorial Team

    Make sure you are using include() to include settings.php before everything.

    The most likely reason this isn’t working is that the file doesn’t know see a $default variable, and creates a new null variable for the parameter.

    Try this:

    //settings.php

  /* set the dynamic information */
  //default css variable information
  $default = array(
    'body_font_size' => '16px',
    'body_text_color' => '#00f'
  );

//main_php_file.php

  include('settings.php'); // This is the important part

  /* extract the propery array's information */
  extract($_GET['theme'] && ${$_GET['theme']} ? ${$_GET['theme']} : $default);

    Also try print_r($default) after include('settings.php'); to make sure that $default is set properly.

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